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Trivia

This monster is a reference to one of the critically acclaimed best manga & anime series Ghost in the Shell

There also seems to be a reference to the movie I, Robot with Will Smith, when the character played by Will Smith watches a clip of a doctor referring to there being "ghosts in the machine".

The ur-reference would be to Gilbert Ryle's The Concept of Mind (1947) where the phrase was first coined and refers to primitive or obsolete instincts (the ghosts) still existing in, and sometimes overriding, the more evolved modern human mind (the machine).